View of /trunk/.gitignore

STYLE: Prevent __version__.py being marked as modified on Windows
Adding the .gitattributes file and marking the file as "lf" is consistent
with the `configure_file(__version__.py.in ... NEWLINE_STYLE UNIX)` call
found in `Utilities/Scripts/SlicerWizard/CMakeLists.txt`.
[ci skip]
From: Dženan Zukić <dzenan.zukic@kitware.com>